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A. S. WILKINSON.

Horseshogw Nail. No. 61,970. V v Patented Feb. 12. 1867.

WITNESSES lA/VE/VTOE.

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ALBERT WILKINSON, OF PAWTUGKET, RHODE ISLAND.

. Letters Patent No. 61,970, dated February 12, 1867. l

IMPROVEMENT IN HORSE-SHOE lIAILS.

TO ALL WHOM IT MAY CONCERN:

Be it known that I, ALBERT S. WILKINSON, of Pawtucket, in the county-of Providence, and State of Rhode Island, have invented a new and improved Horse-Shoe Nail; and I do hereby declare the following to be a. full, clear, and exact description of the same, suflicicnt to enable one skilled in the art to which the invention appertains to make use of it, reference being had to the accompanying drawings, which form a part of this specification, in which-- l Figures 1, 2, 3, and 4 are views in elevation of my improved taper-head horse-shoe nail under various forms.

Figure 5 is a separate view ofthe tapering head, orof the slow-tapering rivet for riveting together the two plates of a double horse-shoe.

Figures 6, 7, 8, and 9 represent transverse sections at a: :1: of the tapering heads represented ,in figs. 1,2, 3, and 4 respectively.

Similar letters of reference indicate corresponding parts in the several figures.

My invention consists in constructing a horse-shoe -nail with a slow-tapering head, as hereinafter fully set forth.

In the accompanying drawings, B C is the nail, the, body C of the horse-shoe nail being constructed as in ordinary horse-shoe nails, whilst the head B is formed of a slow-tapering form, as clearly shown in the drawings, forming an improved head. By the use of such nails, when used with the double shoes, but little other fastenings, if any, are required to hold the double shoe together, as such nail head is not only strong apd stifi, but it fills all parts of the hole snugly, and preventsall play between the parts of the shoe, and from its conformation will retain its hold on the lower plate until the latter is entirely worn away. The lower and larger ends of these nail heads B, fig. 1, may be allowed to project below the shoe to act as small calks. This nail is particularly well adapted to such use, owing to its strength and to its fitting lirmly and closely through the whole thickness of the shoe. Insuch case the nail would'be made of steel, and annealedsoft, the head only being hardened. The slow-taper head Bis made to pass quite through an ordinary shoe, or through the lower plate of a double shoe. The tapering heads represented'in figs. 1, 6, and 5, are circular in. their transversesection;

that in fi s. 2 and 7 semicircular, and those in figs. 3, 8, 4, and 9 rectangular; that shown in figs. 3 and 8 being.

formed with a shoulder between the head and shank, and that in figs. 5 and 9 without.-

Having thus fully described my invention, what I claim as new, and desireto secure by Letters Patent, is- A horse-shoe nail, B O,-for securing shoes to the feet of animals, having aslow-tupering head, B, passing quite through the shoe, or through the lower plate of a double shoe, substantially in the manner andfor the purpose set forth.

ALBERT s. WILKINSON.

Witnesses:

E. P, PArsnson, W. W. BLODGETT. 

